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Rotary Switches / Trim Switches

EFI Wiring Fundamentals

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Discussion and questions related to the course Motorsport Wiring Fundamentals

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Hi everybody!

I have two trim switches in my hands right now that I'm going to use in a particular project and I'm wondering how to assembly one.

I've been searching for some days about it and I noticed that almost everyone uses the Grayhill ones. What I want to know is:

Which part numbers I should look for?

How do you guys assembly yours?


There’s a webinar coming up on the 11th of December about this. Might pay to check that out if you can wait

We usually reply within 12hrs (often sooner)

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